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How To - Attaching a Sharpening Stone to a base
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Thread: How To - Attaching a Sharpening Stone to a base

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    Dave Martell's Avatar
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    How To - Attaching a Sharpening Stone to a base

    If you sharpen knives and have stones sooner or later you'll likely want to mount a stone to a base of some sort. You may have a favorite stone that you've worn down so thin that you're sure it'll crack the next time you use it, or you have a stone that has cracked or is known to be cracklicious, could be you simply prefer mounted stones for the added height and knuckle clearance afforded, or maybe you have a mounted stone that has come loose from it's base and needs attaching.

    Whatever the case may be you will probably tackle the job pretty much the same way, you'll select your base substrate and get to gluing.

    Below I put together a quick & dirty tutorial on a couple of things that I found to be helpful tips to success when attaching a sharpening stone to a base.

    The first thing to consider is the base material to be used. I'm old school & prefer wood like cypress as this is traditional. While wood is OK for non-soaking stones you might be better served with something a bit more stable for stone requiring some extended stay in the pond before use. Maybe something like granite, marble, glass, tile (etc) would lend themselves to the task of long soaks better than wood.


    In the below tutorial I'm showing a natural stone that has come loose from it's factory mounted base & needs to get some repair time on the bench. In this case we have an uneven natural stone bottom and hunks of epoxy to deal with.




    I decided to use my disc grinder to clean up the stone & base because it makes things go real fast - real quick. You could use a wide belt grinder or even some sandpaper if you had too, although myself, I'd rather buy a new stone than use the sandpaper method.




    Now you should have both base & stone reasonably flat. As you can see on this natural stone there are depressions remaining after cleaning it up and that's OK because the bottom only needs to be "flat enough", it doesn't need to be engineers dead ass flat for this to work. Plus, these little depressions will hold more epoxy which can't be a bad thing, right?




    This part is important - selecting the correct epoxy. I can tell you from experience that water resistant does not equal water proof in the world of epoxy. I suggest going with a waterproof epoxy since you'll be using these stones in water....duh! I used System Three's T-88 because that's what I have the most of on hand but you don't need to special order such expensive epoxy just for this task, head on over to your hardware store and grab some Devcon 2-Ton - that's waterproof - and it's cheap and easily found.




    I like a rough surface on both stone & base so I do nothing but clean the surfaces with alcohol prior to glue up. Make sure that both surfaces are completely dry before applying the epoxy.





    Now it's done and after the required cure time the stone will be back in service.

    Last edited by Dave Martell; 01-27-2012 at 12:02 AM.

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    SpikeC's Avatar
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    One thing I would like to add- I bought t-88 at a local woodworking store, and it goes a long way! It is not at all expensive in the size shown above.
    Spike C
    "The Buddha resides as comfortably in the circuits of a digital computer or the gears of a cycle transmission as he does at the top of a mountain."
    Pirsig

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    Great thread Dave, thanks!

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    I use gorilla glue, it does not look so good when cured and comes off the sides but it is indestructible by water.

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    Senior Member DeepCSweede's Avatar
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    Thanks Dave - Very thorough.

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    Quote Originally Posted by mainaman View Post
    I use gorilla glue, it does not look so good when cured and comes off the sides but it is indestructible by water.
    I put a handle on a knife with gorilla glue last year. It popped clean off about 2 weeks ago.

    Not arguing, you may be right, but it's just my

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    Quote Originally Posted by BurkeCutlery View Post
    I put a handle on a knife with gorilla glue last year. It popped clean off about 2 weeks ago.

    Not arguing, you may be right, but it's just my
    depends if you used the correct glue or not,
    I used glue suitable for wood and stone, I have a few J-nats and a synthetic mounted this way and no problem for over a year now, I use them every day for razor honing.

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    Senior Member heirkb's Avatar
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    Quote Originally Posted by mainaman View Post
    I use them every day for razor honing.
    That's how tough his beard is!

    Just kidding, I know you hone a lot of razors.

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